Aftermarket Parts
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Sierra Distributor Cap Mly Stackcap391-5075 18-5376
Sierra
$42.39 $30.47Sierra Distributor Cap Mly Stackcap391-5075 18-5376- Part Number:
- 47-5376
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- Merc 391-5075Q1 - 391-5075 - Crusader 20222 - OMC 982209 - Pleasurecraft R108001
$42.39 $30.47 -
Sierra Distributor Cap Prs Clip Mc392-6318T 18-5369
Sierra
$43.19 $37.99Sierra Distributor Cap Prs Clip Mc392-6318T 18-5369- Part Number:
- 47-5369
- Availability:
- In Stock - Ships same or next business day.
$43.19 $37.99 -
Sierra Distributor Cap Vp 841263-7 18-5358
Sierra
$105.99 $78.48Sierra Distributor Cap Vp 841263-7 18-5358- Part Number:
- 47-5358
- Availability:
- In Stock - Ships same or next business day.
$105.99 $78.48 -
Sold Out, please call for ETA.
Sierra Distributor GM L4 W Delco Est 18-5475
Sierra
$700.49 $525.48Sierra Distributor GM L4 W Delco Est 18-5475- Part Number:
- 47-5475
- Availability:
- In Stock - Ships same or next business day.
- Application:
- Mercruiser 4 cylinder GM with Delco EST Ignition
- OEM #:
- 817377
$700.49 $525.48 -
Sierra Driftwood 2 Trim Mar/MerCruiser 61551P
Sierra
$52.79 $37.96Sierra Driftwood 2 Trim Mar/MerCruiser 61551PBlack graphics on a light gray dial background. Very low profile bezels follow the curve of the lens to eliminate water "trapping". Pointers are white with a black hub. Graphics light through the dial in blue...- Part Number:
- 11-61551P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Trim - Mariner/Merc - Volvo DP/SX - Yamaha 2001& on
- Dial Range:
- Up-Down
- Sender Code:
- Engine Mfg.
$52.79 $37.96 -
Sold Out, please call for ETA.
Sierra Driftwood 2 Water Temp Stern 61552P
Sierra
$66.89 $49.79Sierra Driftwood 2 Water Temp Stern 61552PBlack graphics on a light gray dial background. Very low profile bezels follow the curve of the lens to eliminate water "trapping". Pointers are white with a black hub. Graphics light through the dial in blue...- Part Number:
- 11-61552P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Water Temperature - I/O - Outboard
- Dial Range:
- 100-220 Deg - F
- Sender Code:
- D
$66.89 $49.79 -
Sierra Driftwood 3 Tachometer Ob Alt & 4 61546P
Sierra
$132.49 $96.23Sierra Driftwood 3 Tachometer Ob Alt & 4 61546PBlack graphics on a light gray dial background. Very low profile bezels follow the curve of the lens to eliminate water "trapping". Pointers are white with a black hub. Graphics light through the dial in...- Part Number:
- 11-61546P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Tach - Elect - Outboard & 4-Stroke Gas
- Dial Range:
- 0-7000 rpm
- Sender Code:
- O/B Alt or Coil
$132.49 $96.23 -
Sold Out, please call for ETA.
Sierra Driftwood Hourmeter 12-24 Vdc 62952P
Sierra
$71.49 $1.30Sierra Driftwood Hourmeter 12-24 Vdc 62952PBlack graphics on a light gray dial background. Very low profile bezels follow the curve of the lens to eliminate water "trapping". Pointers are white with a black hub. Graphics light through the dial in blue...- Part Number:
- 11-62952P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Hourmeter
- Dial Range:
- 10 -000 Hrs
- Sender Code:
- N/A
$71.49 $1.30 -
Sierra E/J Seal Kit 396349 18-2660
Sierra
$73.49 $54.99Sierra E/J Seal Kit 396349 18-2660Refer to Manufacturer's Application Guides for more information and complete references- Part Number:
- 47-2660
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Lower Unit Seal Kit
- Replaces:
- 396349
$73.49 $54.99 -
Special Order! See availaility for details
Sierra Eclipse 2 Ammeter 60-0-60 68389P
Sierra
$57.59 $40.89Sierra Eclipse 2 Ammeter 60-0-60 68389PSmart white and blue graphics on a black dial background; these very low profile bezels follow the curve of the lense to eliminate water trapping. Design with domed glass sheds water and resists scratching...- Part Number:
- 11-68389P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Ammeter
- Dial Range:
- 60-0-60
- Sender Code:
- F
$57.59 $40.89 -
Sierra Eclipse 2 O/B Water Pres Kit 68394P
Sierra
$133.19 $124.99Sierra Eclipse 2 O/B Water Pres Kit 68394PSmart white and blue graphics on a black dial background; these very low profile bezels follow the curve of the lense to eliminate water trapping. Design with domed glass sheds water and resists scratching...- Part Number:
- 11-68394P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 2"
- Type:
- Water Pressure Kit - Outboard (contains fittings and 20 ft. of tubing)
- Dial Range:
- 0-40 psi
- Sender Code:
- WP included
$133.19 $124.99 -
Sierra Eclipse 3 Speedo Kit 0-65Mph 68396P
Sierra
$104.99 $78.47Sierra Eclipse 3 Speedo Kit 0-65Mph 68396PSmart white and blue graphics on a black dial background; these very low profile bezels follow the curve of the lense to eliminate water trapping. Design with domed glass sheds water and resists scratching...- Part Number:
- 11-68396P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- 3"
- Type:
- Speedo Kit (includes pitot and hose)
- Dial Range:
- 10-65 mph
- Sender Code:
- G included
$104.99 $78.47 -
Sierra Eclipse I/B/Strdrv6 Gauge Set 68413P
Sierra
$409.49 $290.58Sierra Eclipse I/B/Strdrv6 Gauge Set 68413PSmart white and blue graphics on a black dial background; these very low profile bezels follow the curve of the lense to eliminate water trapping. Design with domed glass sheds water and resists scratching...- Part Number:
- 11-68413P
- Availability:
- In Stock - Ships same or next business day.
- Size:
- -
- Type:
- 6 Gauge Set - Tach (to 7 -000 rpm) - Speedometer (to 65 mph) - Voltmeter (12-volt systems) - Fuel (requires tank with 240-33 ohm sender) - Water Temp 120-240 Deg - - Oil Pressure 0-80 psi
- Sender Code:
- C - D - F
$409.49 $290.58 -
Sold Out, please call for ETA.
Sierra Eclipse Speedo GPS-80Mph 781-684-080P
Sierra
$140.29 $1.30Sierra Eclipse Speedo GPS-80Mph 781-684-080PProvides accurate speed over ground readings and heading information all in one attractive package. This product is ideal for all speed applications and is particularly useful for slow and high speeds where...- Part Number:
- 11-781684080P
- Availability:
- In Stock - Ships same or next business day.
- Model:
- Eclipse - Black - Domed
- Size:
- 3"
- Type:
- GPS Speedometer
- Dial Range:
- 0-80 mph
- Sender Code:
- G included
$140.29 $1.30 -
Sierra Elbow Brass 90 Deg. 18-8067
Sierra
$12.89 $10.99Sierra Elbow Brass 90 Deg. 18-8067NOT TO BE USED IN POTABLE WATER SYSTEMS.- Part Number:
- 47-8067
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- 90 Deg - Elbow
- Replaces:
- -
- Thread:
- 1/4" NPT
- Hose:
- 3/8" Barb
$12.89 $10.99 -
Sold Out, please call for ETA.
Sierra Elbow Exhaust OMC#909863 18-1921
Sierra
$308.99 $205.67Sierra Elbow Exhaust OMC#909863 18-1921Sierra manifolds are painted; packaged and leak tested.- Part Number:
- 47-1921
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- OMC Sterndrive Cobra 909863
$308.99 $205.67 -
Sold Out, please call for ETA.
Sierra Eng Coupler OMC 460 King Cobra 18-21754
Sierra
$840.69 $16.89Sierra Eng Coupler OMC 460 King Cobra 18-21754- Part Number:
- 47-21754
- Availability:
- In Stock - Ships same or next business day.
$840.69 $16.89 -
Sierra Exhaust Manifold Mounting Kit 18-8526
Sierra
$29.49 $23.88Sierra Exhaust Manifold Mounting Kit 18-8526- Part Number:
- 47-8526
- Availability:
- In Stock - Ships same or next business day.
$29.49 $23.88 -
Sierra Filter Element MerCruiser 35-93568 18-7717
Sierra
$14.09 $11.14Sierra Filter Element MerCruiser 35-93568 18-7717- Part Number:
- 47-7717
- Availability:
- In Stock - Ships same or next business day.
- Replaces:
- 35-93568
- Application:
- For: Rochester 2 bbl & 4 bbl Carburetors
$14.09 $11.14 -
Sierra Filter Kit H2O-10M Al 1/4 Lg 18-7966-1
Sierra
$60.49 $49.16Sierra Filter Kit H2O-10M Al 1/4 Lg 18-7966-1Sierra fuel water separators remove over 98.8% of emulsified water from your gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow @ 90 GPH...- Part Number:
- 47-79661
- Availability:
- In Stock - Ships same or next business day.
- Type:
- 1/4" Aluminum
- Filter:
- High Capacity
- Contains:
- (1) 7866 & (1) 7853-1
- Replaces:
- Yamaha - MAR-SEPAR-AT-OR
$60.49 $49.16
Aftermarket Boat Parts & Marine Engine Supplies
Looking for dependable aftermarket boat parts? PowerBoatSupply.com carries a wide selection of aftermarket marine parts, engine supplies, oils, fuel components, steering parts, anodes, tools, and maintenance essentials for boat owners and marine professionals.
Whether you're handling routine service, replacing worn components, or stocking up for the season, our aftermarket parts selection helps keep your boat running smoothly and reliably.
Marine Engine Parts & Maintenance Essentials
Keep your motor protected and performing with key maintenance categories like engine parts, motor oil, marine oil systems and accessories, and lubricants, fluids and sealants.
- Engine Parts – Replacement components for service and repair
- Motor Oil – Marine-grade oils for routine maintenance
- Oil Systems & Accessories – Helpful products for oil changes and upkeep
- Lubricants, Fluids & Sealants – Protect, seal, and maintain marine systems
Fuel, Steering & Control Parts
Reliable fuel delivery and responsive steering are critical on the water. Browse marine fuel parts and steering and controls to help maintain safer handling, smoother operation, and dependable performance.
- Fuel Parts – Components for reliable fuel system performance
- Steering & Controls – Parts that help improve control and handling
- Engine Instruments – Monitor key systems while underway
- Engine Tools – Tools for maintenance, repair, and service work
Anodes, Instruments & Service Tools
Small parts can make a big difference in long-term protection and performance. Shop marine anodes, engine instruments, and engine tools to help protect your boat, monitor performance, and complete service work more efficiently.
- Anodes – Help protect metal components from corrosion
- Engine Instruments – Gauges and monitoring products for marine engines
- Engine Tools – Service tools for DIY boaters and marine technicians
- Maintenance Supplies – Everyday essentials for seasonal upkeep
Yamaha Oil Change Kits & Routine Service Products
Staying ahead of routine service is one of the best ways to protect your investment. PowerBoatSupply.com also carries Yamaha oil change kits and other service products that make maintenance easier and more convenient.
- Oil Change Kits – Convenient service kits for scheduled maintenance
- Marine Oils – Protect engines under real boating conditions
- Sealants & Fluids – Support repairs, installs, and regular service
- Tools & Accessories – Make maintenance faster and cleaner
Why Buy Aftermarket Marine Parts from PowerBoatSupply.com?
PowerBoatSupply.com helps boat owners find reliable parts and maintenance products without the guesswork. From routine oil service to engine repair, fuel system work, corrosion protection, and steering maintenance, our aftermarket category is built to support the jobs boaters handle every season.
- Wide selection of aftermarket boat parts and marine supplies
- Products for DIY boat owners and marine professionals
- Helpful categories for seasonal service and repairs
- Fast shipping and dependable support
Shop aftermarket boat parts today and get the engine parts, oils, fuel components, steering supplies, anodes, tools, and maintenance products you need to keep your boat ready for the water.